SBC is based on Signetics 80C552 microcontrollers
The 552SBC is a single-board computer based on the Signetics 80C552
microcontroller. The 552SBC is available either as a development system
with a debug monitor and documentation or as an OEM version for end users
and system integrators. The board comprises an eight-channel 10-bit A/D
converter, two PWM D/A outputs, 40 digital I/O lines, and three RS-232
ports. Additional features include a battery-backed real-time clock, and
up to 16 Kbytes of EEPROM. Bank-switched ROMs are also supported. Software
drivers for keyboard scanning, LCD interfacing, and serial communication
are also available. (Development system, $349; OEM board, $149–available
now.) HiTech Equipment Corp. San Diego, CA Gary Konzak 619-566-1892
Fax 619-530-1458
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